Home / 1,163,843.46-1,605,863.12-680,315.04

Finding the Fourth Proportional to 1,163,843.46, 1,605,863.12 and 680,315.04

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Solution

The fourth proportional to 1,163,843.46, 1,605,863.12 and 680,315.04 is: 938,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,843.46 : 1,605,863.12 = 680,315.04 : x
  2. Step 2: Convert to fraction form
    1,163,843.46/1,605,863.12 = 680,315.04/x
  3. Step 3: Cross multiply
    1,163,843.46x = 1,605,863.12 × 680,315.04
  4. Step 4: Simplify right side
    1,163,843.46x = 1,092,492,829,315.75
  5. Step 5: Solve for x
    x = 1,092,492,829,315.75/1,163,843.46
  6. Step 6: Final answer
    x = 938,693.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.